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Journal of Intelligent Material Systems and Structures
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Notes

Analytical and Experimental Investigation on Fuzzy Active Control

Hitoshi Furuta

Department of Civil Engineering Kyoto University Yoshida-Honmachi Sakyo-ku, Kyoto 606, Japan

Hiroo Okanan

Department of Civil Engineering Osaka Technical College 26-12 Saiwai-cho Neyagawa City, Osaka 572, Japan

Masakatsu Kaneyoshi

Bridge Design Department Hitachi Zosen Corp. Sakurajima 1-3-40 Konohana-ku, Osaka 554, Japan

Hiroshi Tanaka

Bridge Design Department Hitachi Zosen Corp. Sakurajima 1-3-40 Konohana-ku, Osaka 554, Japan

In this article, an attempt is made to apply the fuzzy set theory to structural vibration control of earthquake- excited and wind-excited oscillations. The numerical examples of SDOF and 2DOF models show that the fuzzy control technique is useful for reducing the amplitude and acceleration of structural oscillation due to earthquake. Experiments on structural vibration control are conducted using a system of prestressing tendons with springs connected to a stepping motor system with fuzzy control rules. The model is subject to base motions produced by a small shaking table, and a fluctuating flow generated by a fan. These ex perimental results confirm the efficiency of fuzzy control for struc tural vibration problems.

Journal of Intelligent Material Systems and Structures, Vol. 5, No. 4, 580-585 (1994)
DOI: 10.1177/1045389X9400500415
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